What is 'orthosomnia' and how does it affect sleep?

'Orthosomnia' is a term which refers to an obsessive pursuit to achieve "perfect sleep" usually by using sleep-tracking devices and apps. Individuals with this condition may suffer from insomnia-like symptoms as they are concerned with their sleep statistics. The symptoms include difficulty falling asleep at night, waking up too early, not feeling well-rested after a night's sleep, anxiety etc.